Episode 4

Jin Shi took a USB flash drive that exposed Chairman Qiang's evil deeds and blackmailed him.President Qiang suddenly suffered a heart attack, and Taiwu came to the rescue after Jinshi left.The family bickers at the hospital, and In-ha panics about the plan.Taigo tries to comfort him, but he leaves angrily.In-joo invites Tai-wu to the new apartment to bribe him to become “his person”.Taiwu is not satisfied with the request, angers Inzhu and leaves.In-joo's assistant was ordered to track Taiwu and find his weaknesses.In a shocking twist, it's revealed that Chairman Kang never actually had a heart attack and it was part of Taigo's long-term plan.Chairman Kang trusts Taiwu's judgment, cooperates with his plan, and is satisfied with his commitment to helping him and the company.

When Taiwu asks for a reward, he mentions that he hopes to see Renha become the company's legal third son so that he can fairly fight for his position in the family.Chairman Kang is shocked by this request and asks Tae Oh to create a detailed contract for In Ha and asks him to review every detail.Just as he's about to share the good news, Hye-won reveals that In-ha is missing.As they searched his home, he found where In Ha might have been.Ren Xia stood on the beach, watching the waves crashing on the shore. He recalled the scene in his childhood when he saw his mother bleeding on the ground, which made the young Ren Xia feel lonely.Just then, Taiwu finds him and reveals his plan with Chairman Kang.Upon hearing that he had been excluded, Renha became furious and eventually punched Taigo.

Being a man of far-reaching scheming, Taiwu calms down and tries to get Inha back on the path they were working on together.After convincing him that he just wants to see Nina at the top, Nina nods in agreement, but remains suspicious of Taigo's true intentions.In another scene, Hee-joo breaks off the engagement and tries to convince Tae-oh to trust her and that she will convince her family to accept him as her son-in-law.Hearing her words, Taigo brings reality, telling her that no matter what, he will never be accepted because he is not “one of them”, and warns her to stop pushing him.

After Chengzhu became Acting Chairman, the company suffered huge losses in just one day due to a technical failure caused by a hacker attack in the previous episode.President Qiang stood in front of Jinshi and warned her unabashedly.In-ha stands in front of Chairman Kang and takes responsibility for the company's plight.Chairman Kang was satisfied with his actions and asked him what he wanted in return.In Ha finally expresses his desire to be recognized as Chairman Kang's third son in front of the whole world.Chairman Kang was moved by his enthusiasm and asked him to sign a contract to become Kang Seung-joo's heir.The action shifts to him sitting at the dinner table having dinner with his family.While other family members are wary of him, Hee-joo welcomes him warmly.The episode ends with In-ha helping Chairman Kang in his wheelchair and calling him "father" in front of reporters, causing confusion.The camera pans to Taigo, who seems determined as his plan finally comes to fruition.